package com.guojiganzhe.subject.infra.basic.utils;

import com.alibaba.druid.filter.config.ConfigTools;

import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;

/**
 * 数据库加密
 * @author: guojiganzhe
 * @create: 2020-07-08 09:09
 **/

public class DruidEncryptUtil {
    private static String publicKey;
    private static String privateKey;
    static {
        try {
            String[] keyPair = ConfigTools.genKeyPair(512);
            privateKey =keyPair[0];
            System.out.println("privateKey:"+privateKey);
            publicKey = keyPair[1];
            System.out.println("publicKey:"+publicKey);

        }catch (NoSuchAlgorithmException e){
            e.printStackTrace();
        }catch (NoSuchProviderException e){
            e.printStackTrace();
        }
    }

    public static String encrypt(String plainText) throws Exception {
        String encrypt = ConfigTools.encrypt(privateKey,plainText);
        System.out.println("encrypt:"+encrypt);
        return encrypt;
    }
    public static String decrypt(String encryptText) throws Exception{
        String decrypt = ConfigTools.decrypt(publicKey,encryptText);
        System.out.println("decrypt:"+decrypt);
        return decrypt;
    }

    public static void main(String[] args) throws Exception{


        String encrypted = encrypt("123456");
        System.out.println("Encrypted: " + encrypted);
        String decrypted = decrypt(encrypted);
        System.out.println("Decrypted: " + decrypted);

    }

}
